body{
    font-family: Arial, 'Microsoft YaHei', sans-serif, Verdana, "Trebuchet MS", "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol";
    padding: 10px;
}
.font-chinese {
    font-family: Arial, 'Microsoft YaHei', sans-serif, Verdana, "Trebuchet MS", "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol";
}
div.nav{
    margin-bottom: 10px;
}
a.btn-outline-dark:hover {
    color: #fff !important;
}

.form-inline [type=text].form-control-sm {
    border: 1px solid #343a40;
}
.form-inline .form-control-sm,
.form-inline .btn {
    margin-right: 3px;
}